let posttime=0
export const request=(params)=>{
  posttime++
  wx.showLoading({
    title: '加载中',
    mask:'true'
  })
  const baseUrl ="https://api-hmugo-web.itheima.net/api/public/v1"
  return new Promise((resolve,reject)=>
  {
    wx.request({
     
      ...params,
url:baseUrl+params.url,

      success:(result)=>
     { resolve(result)},
     fail:(err)=>{
       reject(err)
     },
     complete:()=>{
       posttime--
       if(posttime===0)
       {
         wx.hideLoading()
       }
     }

    })
  });
}